A mysterious plague, the Purple Death, ravages the earth. Dr. Zarkov, investigating in his spaceship, finds a ship from planet Mongo seeding the atmosphere with dust. Sure enough, Ming the Merciless is up to his old tricks. So it's back to Mongo for Flash, Dale, and Zarkov.

• DirectorFord Beebe
• Release3 March 1940
• Genre
  Science Fiction / Action
• Duration3h 15m
• Budget?
• Revenue?
• Rate
  

  5.8
  23 reviews
• Productions

  Universal Pictures, King Features Syndicate